Submission #782101

#	Time	Username	Problem	Language	Result	Execution time	Memory
782101		Dan4Life	Coins (IOI17_coins)	C++17	100 / 100	8 ms	1388 KiB

coins

#include<vector>
using I=int;
using v=std::vector<I>;
#define F for(I i=0;i<64;i++)c^=b[i]*i;
v coin_flips(v b,I c){F return{c};}
I find_coin(v b){I c=0;F return c;}

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 15 / 15
• Subtask 5: 50 / 50